BotanyHydroponics requirea. purified waterb. impure waterc. mineral nutrient salt

Hydroponics require

a. purified water
b. impure water
c. mineral nutrient salt

  1. A

    a only

  2. B

    b and c only

  3. C

    c only

  4. D

    a and c only

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    Solution:

    Hydroponics require purified water and mineral nutrient salts.

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